Flutter 1.26.0-17.5.pre (#661)

diff --git a/flutter-sdk-version.yaml b/flutter-sdk-version.yaml
index 897c50b..d71e41e 100644
--- a/flutter-sdk-version.yaml
+++ b/flutter-sdk-version.yaml
@@ -12,4 +12,4 @@
 
 flutter_sdk:
   # channel: beta
-  version: 1.26.0-17.3.pre
+  version: 1.26.0-17.5.pre